On a certain hot summer day, 511 people use the public swimming pool. Daily prices are $1.50 per child and $2.00 per adult. The receipt for admission totaled 854.50$ how many children and how many adults swim at the public pool that day?

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show